Ceramic Telegraph Wire Insulators

Vintage porcelain glass insulator with telegraph wire still attached. Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires. 4 5 out of 5 stars 35 35 reviews.

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In north america glass was always the predominate material for communications insulators but porcelain has become the standard for power distribution due to its greater strength and surface resistance.

Ceramic telegraph wire insulators.

Vintage insulators are most commonly made out of porcelain or glass materials and they come in a wide variety of colors and shapes making each item a unique. Results pagination page 1. Vintage locke porcelain ceramic insulator usa 9995 brown telegraph electric e2. Ending thursday at 5 04pm pdt 3d 16h.

Lot of 3 vtg antique ohio brass knox guy wire insulators ceramic porcelain brown. Vintage hemingray glass insulator no. Insulators were first developed in the mid 1800s to be used on telegraph and telephone lines to contain the electrical current and prevent the current from entering the ground below. Nice blue telegraph glass insulator cd 565 1 ussr soviet russian.

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